package cn.itcast.chapter04.response;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet(name = "LoginServlet",urlPatterns = "/LoginServlet")

public class LoginServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        response.setContentType("text/html;charset=utf-8");
        //用HttpServletRequest对象的getParameter()方法获取用户名和密码
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        //假设用户名和密码分别为itcast和123
        if(("itcast").equals(username)&&("123").equals(password)){
            //如果用户名和密码正确，重定向到 welcome.html
            response.sendRedirect("/chapter04/welcome.html");
        }else {
            //如果用户名和密码错误，重定向到 login.html
            response.sendRedirect("/chapter04/login.html");
        }
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        doGet(request,response);
    }
}
